serve frontend from go

internal/auth/resource.go

@@ -0,0 +1,64 @@
+package auth
+
+import (
+	"log"
+	"time"
+
+	"git.schreifuchs.ch/schreifuchs/ng-blog/internal/model"
+	jwt "github.com/golang-jwt/jwt/v5"
+	"golang.org/x/crypto/bcrypt"
+	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
+)
+
+// Config defines a struct for configuration settings, often loaded from environment variables.
+type Config struct {
+	Secret        string        `env:"SECRET"`
+	ValidDuration time.Duration `env:"VALID_DURATION"`
+	AdminName     string        `env:"ADMIN_NAME"`
+	AdminPassword string        `env:"ADMIN_PASSWORD"`
+	DefaultRole   model.Role    `env:"DEFAULT_ROLE"`
+}
+
+// Service Represents a service with configuration and database connection.
+type Service struct {
+	cfg *Config
+	db  *gorm.DB
+}
+
+// New creates a new Service instance, initializing a default admin user and saving it to the database.
+func New(cfg *Config, db *gorm.DB) *Service {
+	user := model.NewUser()
+	var err error
+	if user.Password, err = bcrypt.GenerateFromPassword([]byte(cfg.AdminName), 6); err != nil {
+		log.Fatalf("Error while creating default user: %v", err)
+	}
+	user.Name = cfg.AdminName
+	user.Role = model.RoleAdmin
+
+	// add default user
+	_ = db.Clauses(clause.OnConflict{DoNothing: true}).Save(&user).Error
+
+	return &Service{
+		cfg,
+		db,
+	}
+}
+
+// Claims struct represents JWT claims, including role and user ID, extending the standard jwt.RegisteredClaims.
+type Claims struct {
+	Role   model.Role `json:"rl"`
+	UserID uint       `json:"uid"`
+	jwt.RegisteredClaims
+}
+
+// Login struct represents user login credentials with a name and password.
+type Login struct {
+	Name     string `json:"name"`
+	Password string `json:"Password"`
+}
+
+// LoginResponse Represents the response from a login endpoint, containing a JWT token.
+type LoginResponse struct {
+	Token string `json:"token"`
+}